Ventilation Handle For Hobby Greenhouse

Each stage of plant vegetation requires different ripening conditions. To optimize the process during which fruits or vegetables ripen quickly, a special microclimate dedicated for this fruit, should be created. Although it sounds complicated, the whole thing is incredibly simple. If the temperature is too high, the winch is raising the curtain. It allows indoor air circulation, which cools and freshens air, and replaces hot one. Similarly, if the humidity level is too high it releases excess humidity to outside. The film of the greenhouse is also dried off by airing it by raising the curtains.

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Greenhouse winch handle 1” D (25 mm)

The tunnel winch is a small, but very important mechanism of the greenhouse. 

This handle is an option for the hobby greenhouses with ventilation as well as for professional greenhouses, allowing the manipulation of weathering. Film curtains, which are part of the entire relief (ventilation) system, are raised and lowered by the greenhouse winch. Ventilation in a greenhouse is an important process for the proper development and growth of plants. Excess heat and moisture are removed beyond the barrier, rolling up the cover. The handle consists of steel tubes with a diameter of 22 x 1.5 mm, 25 x 1.0 mm and 28 x 2.0 mm.

Airing crops under the film. 

Galvanized tunnel elements

The tunnel winch handle, like other greenhouse elements, is covered with a layer of zinc applied by hot-dip galvanization. This protects the elements from corrosion. Some of the parts exposed to ambient atmosphere are particularly exposed to corrosion. This is how steel is protected against corrosion, which guarantees long life of the entire assembly. 


Length 70 cm

Weight 0.36 kg

Tube diameter 22 x 1.5 mm

25 x 1.0 mm

28 x 2.0 mm

Hot-dip galvanized rust protection


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  • Vendor: Igor
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